The "Outnumbered" panel today discussed the shocking, heartbreaking passing of Robin Williams, and Kimberly Guilfoyle shared some thoughts about the beloved comedian and actor, with whom she was very friendly.

In the weeks before taking his own life, actor Robin Williams had, according to one of his reps, struggled with "severe depression" and checked into a rehab facility in late June. Psychiatrist Dr. Keith Ablow weighed in on Fox and Friends this morning on the struggle against depression for millions of Americans.

Laura Ingraham stopped by Fox and Friends this morning, sharing what happened at a movie premiere Monday night when news began to spread about the sudden death of Robin Williams. Ingraham attended the New York City premiere of The Giver, which stars Jeff Bridges and Meryl Streep.

The world is mourning the sudden passing of actor and comic legend Robin Williams, who died Monday at age 63 in a suspected suicide at his home in California. In the video above, take a look back at Williams' memorable stand-up performance for U.S. troops in Kuwait in 2007.